USB3 to HDMI?

I have a MacBook Air with a USB3 port (female). I'd like to use an external monitor to make the screen bigger; it's an LG with the options of a HDMI, DVI-D or D-SUB ports. What equiptment do I need to transfer the video from the laptop to the screen? Something like the j5create - USB 3.0-to-HDMI/DVI Display Adapter to connect to the laptop and then a male-male HDMI to HDMI to connect the port to the monitor? Thanks so much for anyone who can help.

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